Rejection of the belief in dieties. Does not assert that there are no dieties and thus does not carry the burden of proof.
Theist: Atheists need proof, so they have to prove that god doesn't exist.

Atheist: Atheism doesn't involve making a claim, I don't have to prove anything.
by deadmoron July 25, 2010
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A rejection of the belief in the existence of a God or Gods. Atheism itself is not a religion or a belief, but is accepted within some religious and spiritual belief systems, including Jainism, Buddhism, Hinduism, Neo-pagan and Wicca. Although some atheists are also anti-theists, who oppose organized religion others are merely indifferent. In spite of some people generalizing atheists as being immoral, they tend to have a lower crime rate and as a population are no less moral than theists.
Scientists and highly rational people tend to subscribe to atheism because they believe in Occam's Razor:
"A principle urging one to select among competing hypotheses that which makes the fewest assumptions and thereby offers the simplest explanation of the effect".
by kookycole May 27, 2012
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the arrogant belief that the entire universe was not created for our benefit
Calling atheism a religion is like calling bald a hair color
by A. Chris Tian June 27, 2011
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A lack of belief or faith in the existence of a god or gods, especcially, a belief that there is no god. Atheism is a belief which is often insulted unjustly by its opponents. Atheists are also often called Satanists by Christian fundamentalists who do not understand the beliefs of Satanism. Believers in atheism have been blamed for events such as the 9/11 suicide attacks on the "Twin Towers" in New York, New York, United States of America by such people as Jerry Falwell and Pat Robertson.
by jinrisenfallen September 17, 2005
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Anti-religious philosophy that can be divided into two primary factions:

1. Healthy Atheists. These people simply don't follow any particular religious faith and generally don't concern themselves with attempting to prove to the religious that nonbelief is the way to go.

2. Militant Atheists. These are the guys that take Atheism and turn it into a zealous religion that is focused almost entirely on defaming, badmouthing, and attempting to disprove most or all religious faiths, although in many cases the individual Militant Atheist will focus only on one particular religion to direct their stream of hate at. They appear to be roughly as populous as fundamentalist Christians are on the Internet, and it appears that these two groups imagine themselves to be in mortal combat with one another, judging by some of the crap found on their sites.
Many Atheists don't appear to disbelieve in God so much as they appear to wish agonizing death upon Him and His followers.
by JG22 June 3, 2005
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Instead of going to church on Sundays, followers of Atheism can spend their time getting laid.
by The Sassy Panda July 8, 2009
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In reality, a lack of belief in a God.

Atheism can be caused by all sorts of situations. Even reading the Bible had turned people into Atheists because of some passages in the Bible and thinking about it.

Atheists can also be known as "agnostic atheists", who are those who don't believe in a God UNTIL there is substantial proof that one exists.

Atheists are looked down upon and are treated poorly by some religious people. These types of people will try to force the atheist to become religious. If that fails, they could devolve into threats about them going into Hell. Some atheists can be subjected to assault, battery, or other crimes because of their points of view.

Atheism does not mean Satanism, which is the belief of Satan or the Devil. Atheists also don't believe that Satan exists. Atheism can also be known as a group of people who have no morals, which is generally incorrect. Most religious people argue that if they became an atheist they could go around raping or murdering people because their book or talk isn't holding them back anymore.

Atheists can also be assholes to other religious people, but just like vise versa, this is not a general statement.
Christianity and Atheism have always been very hard subjects to talk about together.
by BATMN every day December 14, 2018
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